SingTel will launch its 4G services on Tuesday offering five times faster surfing for smartphone users. But the faster speed comes at a price - smartphone users, including 3G ones, will no longer be able to enjoy the generous data caps that come with their plans. -- ST PHOTO: TERENCE TAN By Irene Tham SingTel will launch its 4G services on Tuesday offering five times faster surfing for smartphone users. But the faster speed comes at a price - smartphone users, including 3G ones, will no longer be able to enjoy the generous data caps that come with their plans. The telco will remove its generous data cap of 12GB - or 30GB for a premium plan - that comes with mobile data subscriptions. Under its new pricing, which will kick in July 1, customers will only get 2GB to 12GB of free data download. Every extra 2KB of data used will cost 1 cent - or $5.35 per GB - capped at $94 per...